Economic Systems: Market, Mixed and Planned Economies
Every economy must answer three questions: what to produce, how to produce it, and for whom it is produced. Different economic systems answer these questions differently.
Before you start
Make sure you're comfortable with these topics first:
Method
- Define each system precisely and give one real or historical example of each.
- For a free market economy, state the main advantage (the price mechanism efficiently signals consumer preferences to producers and rewards innovation through the profit motive) and the main disadvantage (it cannot on its own correct market failures such as externalities, public goods and information failure, and tends to generate significant income inequality).
- For a planned economy, state the main advantage (a central authority can directly target social objectives such as equity, full employment or the provision of public goods) and the main disadvantage, known as the socialist calculation problem: without market prices, a central planner has no reliable signal of relative scarcity, which tends to cause chronic shortages of some goods, surpluses of others, and weak incentives for firms to innovate or cut costs.
- Explain why almost every modern economy is a mixed economy in practice: pure free markets fail to correct market failure and inequality on their own, while pure planning suffers severe information and incentive problems, so most governments choose some blend of market allocation and state intervention.
- Identify what determines the appropriate degree of state involvement in a specific sector: the extent of market failure present (e.g. healthcare and education, with large externalities and information failures, are more heavily state-involved almost everywhere), a country's political priorities, and its historical institutions.
- For an evaluation question, judge the balance of a specific economy or sector by identifying concrete features (ownership, price-setting, presence of state planning targets) rather than relying on a vague label.
Worked example
An economy is described as follows: the state owns and directs all heavy industry (steel, energy, rail) and sets output targets for these sectors, but small retail shops, cafes and market stalls are privately owned and set their own prices. Classify this economy and justify your classification using two features from the description.
- Identify the command economy feature: the state owns heavy industry and sets output targets, meaning production decisions in these sectors are directed by a central authority rather than by market prices.
- Identify the free market feature: retail shops, cafes and market stalls are privately owned and set their own prices, meaning production and pricing decisions in this part of the economy respond to supply and demand.
- Note that both features are present at the same time, in different parts of the economy.
- Conclude that this economy is a mixed economy, with the balance tilted towards greater state control, since the state directs the largest and most capital-intensive sectors (heavy industry) while leaving smaller-scale retail activity to the market.
Practice questions
Try each question, then tap to reveal the answer.
Q1State the three questions any economic system must answer.Show answer
Answer: What to produce, how to produce it, and for whom to produce it.
Q2Define a command (planned) economy.Show answer
Answer: An economic system in which a central authority, usually the state, owns the means of production and directs what, how and for whom goods are produced.
Q3Define a mixed economy.Show answer
Answer: An economic system that combines significant private markets with government intervention to correct market failure, redistribute income and provide public services.
Q4Give one feature of the UK economy that shows it is a mixed economy rather than a pure free market.Show answer
Answer: The state directly provides or heavily funds services such as the NHS and state education, and regulates and taxes private markets.
Q5State the socialist calculation problem in one sentence.Show answer
Answer: Without market prices, a central planner has no reliable signal of relative scarcity, making it very difficult to allocate resources efficiently, which tends to cause shortages, surpluses and weak incentives to innovate.
Q6State one advantage of a market economy over a planned economy.Show answer
Answer: Prices set by supply and demand efficiently signal consumer preferences to producers, encouraging resources to flow to their highest-value use and rewarding cost-cutting and innovation through the profit motive.
Exam-style questions
Written in the style of a A Level Economics exam paper, with a full mark scheme.
Explain one advantage of a market economy over a planned economy in allocating resources.
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Discuss the extent to which a market economy allocates resources more efficiently than a mixed economy.
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See real A Level Economics past-paper questions, with official mark schemes →
Free printable worksheet
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